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Author: Dylan Luyten, M.D.
Educational Pearls
- Around 30% of patients in the ER receive CT imaging, and the sensitivity of CT imaging may be improved with IV contrast. However, contrast is often withheld for fear of contrast-induced nephropathy.
- A recent, single-center, retrospective cohort study compared the rates of nephropathy between contrast CT, non-contrast CT, and no CT control patients, and found no differences.
- This study confirms what many have believed to be true - that the dangers of modern contrast may be overstated. However, the results should be interpreted with caution, as this was a retrospective, single-center study.
References: Hinson, Jeremiah S. et al.. Risk of Acute Kidney Injury After Intravenous Contrast Media Administration. Annals of Emergency Medicine , Volume 69 , Issue 5 , 577 - 586.e4
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